handlers.py 文件源码

def process_exception(self, suppressed_exceptions=None):
        exception_name = sys.exc_info()[0].__name__
        exception_details = str(sys.exc_info()[1])
        exception_traceback = ''.join(traceback.format_exception(*sys.exc_info()))
        logging.error(exception_traceback)
        send_email = not (suppressed_exceptions and exception_name in suppressed_exceptions)
        if send_email:
            exception_expiration = 3600 # seconds (max 1 mail per hour for a particular exception)
            mail_admin = SENDER_EMAIL # must be admin for the application
            sitename = SITENAME
            ver = os.environ['CURRENT_VERSION_ID']
            dev = any(keyword in ver for keyword in TEST_VERSIONS) or tools.on_dev_server()
            sitename += ":DEV" if dev else ":PROD"
            session = self.session
            ename = "Unknown Org"
            if session and session.has_key('enterprise'):
                ename = session['enterprise'].name
            throttle_name = 'exception-' + exception_name
            throttle = memcache.get(throttle_name)
            if throttle is None and not dev:
                memcache.add(throttle_name, 1, exception_expiration)
                subject = '[%s] exception for %s [%s: %s]' % (sitename, ename, exception_name, exception_details)
                body = exception_traceback + "\n\n" + self.request.uri
                mail.send_mail(to=ERROR_EMAIL, sender=mail_admin,
                               subject=subject,
                               body=body)
        return exception_name, exception_details, exception_traceback